Mysql数据库忘记密码找回
a 停止mysql服务
/etc/init.d/mysql stop
b 使用--skip-grant-tables启动mysql，忽略授权登录验证
mysqld_safe --skip-grant-tables --user=mysql &
mysql -u root -p ---登录时以空密码登录
c 登录mysql，修root密码
mysql
update mysql.user set password=password("123") where user='root' and host='localhost'
flush privileges;
d 关闭重启mysql
/etc/init.d/mysqld stop
/etc/init.d/mysqld start
演示
[root@db02 ~]# mysqld_safe --skip-grant-tables --user=mysql & [1] 1390 [root@db02 ~]# 170428 23:26:25 mysqld_safe Logging to '/application/mysql-5.6.34/data/db02.err'. 170428 23:26:25 mysqld_safe Starting mysqld daemon with databases from /application/mysql-5.6.34/data [root@db02 ~]# mysql -u root -p Enter password: Welcome to the MySQL monitor. Commands end with ; or \g. Your MySQL connection id is 1 Server version: 5.6.34 Source distribution Copyright (c) 2000, 2016, Oracle and/or its affiliates. All rights reserved. Oracle is a registered trademark of Oracle Corporation and/or its affiliates. Other names may be trademarks of their respective owners. Type 'help;' or '\h' for help. Type '\c' to clear the current input statement. mysql> mysql> update mysql.user set password=password("123") where user='root' and host='localhost'; Query OK, 1 row affected (0.00 sec) Rows matched: 1 Changed: 1 Warnings: 0 mysql> mysql> flush privileges; Query OK, 0 rows affected (0.00 sec) mysql> quit [root@db02 ~]# /etc/init.d/mysqld stop [root@db02 ~]# /etc/init.d/mysqld start [root@db02 ~]# mysql -uroot -p123 Warning: Using a password on the command line interface can be insecure. Welcome to the MySQL monitor. Commands end with ; or \g. Your MySQL connection id is 1 Server version: 5.6.34 Source distribution Copyright (c) 2000, 2016, Oracle and/or its affiliates. All rights reserved. Oracle is a registered trademark of Oracle Corporation and/or its affiliates. Other names may be trademarks of their respective owners. Type 'help;' or '\h' for help. Type '\c' to clear the current input statement. mysql>